public class Bank implements Runnable{
    int money=200;
    @Override
    public void run() {
        if(Thread.currentThread().getName().equals("会计")){
        saveOrTake(500,false);
        }
        else if(Thread.currentThread().getName().equals("出纳")){
         saveOrTake(200,true);
        }
    }
    private synchronized void saveOrTake(int amount,boolean flag){
        if(flag) {
            for (int i = 1; i <= 4; i++) {
                money -= amount / 4;
                System.out.println("取了一笔，还剩"+money);
                try {
                    Thread.sleep(1000);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        }
            else{
                for(int i=1;i<=2;i++){
                    money+=amount/2;
                    System.out.println("存了一笔，还剩"+money);
                    try{
                        Thread.sleep(1000);

                    }
                    catch(Exception e){
                        e.printStackTrace();
                    }
                }
            }
        }
    }


